Use Linux - ZyXEL Communications NXC2500 Troubleshooting Manual

3 Set a managed AP to MON mode, and apply the MON profile.
Select the MON mode AP and press 'Capture'
Figure 16 MAINTENANCE > Diagnostics > Wireless Frame Capture > Capture

2.2.2 Use Linux

1 Use the following command to set your WLAN card into monitor mode:
$ sudo ifconfig wlan0 down
$ sudo iwconfig wlan0 mode monitor
$ sudo ifconfig wlan0 up
$ sudo iwconfig wlan0 channel 11 (Change 11 to the channel you want to
use for capture)
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